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Do not modify the buffer if yapf provides no change. #30

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Do not modify the buffer if yapf provides no change. #30

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b83de51
Do not modify the buffer if yapf provides no change.
ChengYuShun Sep 1, 2023
d85e7cc
Add a delayed modification notice.
ChengYuShun Jan 31, 2024
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7 changes: 6 additions & 1 deletion yapfify.el
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,8 @@
;; certain buffer, but more conveniently, a minor-mode 'yapf-mode' is provided
;; that turns on automatically running YAPF on a buffer before saving.
;;
;; This file is modified by Yushun Cheng on 1 Sep 2023.
;;
;; Installation:
;;
;; Add yapfify.el to your load-path.
Expand Down Expand Up @@ -86,7 +88,10 @@ If yapf exits with an error, the output will be shown in a help-window."
;; anything else would be very unexpected.
(cond ((or (eq exit-code 0) (eq exit-code 2))
(with-current-buffer tmpbuf
(copy-to-buffer original-buffer (point-min) (point-max))))
(unless (eq (compare-buffer-substrings original-buffer nil nil
nil nil nil)
0)
(copy-to-buffer original-buffer (point-min) (point-max)))))
((eq exit-code 1)
(error "Yapf failed, see %s buffer for details" (buffer-name tmpbuf))))
;; Clean up tmpbuf
Expand Down